Selected MCQ

Current Question
Which computing paradigm combines simulation and data analysis to create a digital representation of a physical object or system?
  • A. Digital diary
  • B. Digital twin
  • C. Virtual machine
  • D. Quantum replica
Correct Answer: B
Explanation:
A digital twin is a virtual model of a physical object or system used for simulation and analysis.
Related Question 1
Which concept involves using sensor data to create a 3D model of a city or facility?
  • A. Digital wallet
  • B. Digital twin
  • C. Virtual machine
  • D. Quantum replica
Correct Answer: B
Explanation:
Digital twins can model entire environments or systems in real-time using sensor data.
Related Question 2
Which of the following programming paradigms emphasizes functions without side effects and immutable data?
  • A. Procedural programming
  • B. Object-oriented programming
  • C. Functional programming
  • D. Event-driven programming
Correct Answer: C
Explanation:
Functional programming focuses on pure functions and immutable data.
Related Question 3
What is 'fog computing'?
  • A. Using cloud far away
  • B. Processing data close to network edge devices
  • C. Weather-based data processing
  • D. Computing without electricity
Correct Answer: B
Explanation:
Fog computing moves some cloud services to the network edge, closer to end devices.
Related Question 4
What ensures blockchain data integrity across nodes?
  • A. Public database
  • B. Hash-linked blocks and consensus
  • C. Encryption keys only
  • D. Trusted server
Correct Answer: B
Explanation:
Blockchain uses cryptographic hashes linking blocks and consensus protocols to maintain integrity.
Related Question 5
What is a key feature of quantum computing that offers computational advantages?
  • A. Using vacuum tubes
  • B. Superposition and entanglement
  • C. Fiber optic circuits
  • D. DC power only
Correct Answer: B
Explanation:
Quantum superposition and entanglement enable certain calculations to be done much faster.